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authorAndreas Jaeger <aj@suse.de>2002-07-06 15:07:30 +0000
committerAndreas Jaeger <aj@suse.de>2002-07-06 15:07:30 +0000
commit9359218f0fa991ee10df00cfdc4fc1822c9d9597 (patch)
tree9850632a6d8c6587f9b2adc0288b4994ea87c2ea /sysdeps/x86_64/fpu/s_fmaxl.S
parentaeb25823d8ef62566bef76351cc318673f3f36c7 (diff)
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Update.
2002-07-06 Andreas Jaeger <aj@suse.de> * sysdeps/x86_64/fpu/bits/mathinline.h: New. * sysdeps/x86_64/fpu/s_copysign.S: New. * sysdeps/x86_64/fpu/s_copysignf.S: New. * sysdeps/x86_64/fpu/s_copysignl.S: New. * sysdeps/x86_64/fpu/s_finitel.S: New. * sysdeps/x86_64/fpu/s_fmax.S: New. * sysdeps/x86_64/fpu/s_fmaxf.S: New. * sysdeps/x86_64/fpu/s_fmaxl.S: New. * sysdeps/x86_64/fpu/s_fmin.S: New. * sysdeps/x86_64/fpu/s_fminf.S: New. * sysdeps/x86_64/fpu/s_fminl.S: New.
Diffstat (limited to 'sysdeps/x86_64/fpu/s_fmaxl.S')
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diff --git a/sysdeps/x86_64/fpu/s_fmaxl.S b/sysdeps/x86_64/fpu/s_fmaxl.S
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+/* Compute maximum of two numbers, regarding NaN as missing argument.
+ Copyright (C) 1997, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+
+ .text
+ENTRY(__fmaxl)
+ fldt 8(%rsp) // x
+ fldt 24(%rsp) // x : y
+
+ fucomi %st(0), %st
+ fcmovu %st(1), %st // now %st contains y if not NaN, x otherwise
+
+ fxch
+
+ fucomi %st(1), %st
+ fcmovb %st(1), %st
+
+ fstp %st(1)
+
+ ret
+END(__fmaxl)
+weak_alias (__fmaxl, fmaxl)